What are the inputs to the ridgelet functions??

2 次查看（过去 30 天）
Karthik Nagarajan
编辑： Walter Roberson 2025-6-20
function rt = ridgelet( x, L, md )
%x=imread('C:\Users\Public\Pictures\Sample Pictures\test.jpg');
%L=10;
%md=0;
%pt1=11;
%pt2=12;
if ~exist( 'md', 'var' ) md = 0; end
[l1, l2] = size( x );
if rem( l1,2 ) == 0 && rem( l2,2 ) == 0
pt1 = l1 + 1;
pt2 = l2 + 1;
end
yr = fft2( x, pt1, pt2 );
yp = cart_2_rectopolar( yr );
l = size( yp, 1 );
if md == 0
rt = fft_iso_dwt( yp(1,:), L, md );
elseif md == 1
rt = cell(l,1);
rt{1} = fft_iso_dwt( yp(1,:), L, md );
end
for jj = 2:l
if md == 0
rt(jj,:) = fft_iso_dwt( yp(jj,:), L, md );
elseif md == 1
rt{jj} = fft_iso_dwt( yp(jj,:), L, md );
end
imshow(rt);
end

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回答（1 个）

Abhipsa
Abhipsa 2025-6-20
Hello @Karthik Nagarajan,
The inputs for the "ridgelet" function can be deduced as follows:
  • X = Input image of square size
  • L = Nunber of scales in ridgelet function
  • md = if 1, o/p is a cell ; if 0, o/p is a vector
You can refer to the below MathWorks File Exchange link for more information about "ridgelet" function:
After navigating to the above webpage, please navigate to the Functions tab, from the "curvelet_first_generation/", select the "ridgelet" function, then the relevant source code with appear.
This source code is very well-document along with relevant comments, which captures the information on the expected inputs and outputs of the function.
I hope this helps you.

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